When Tommy was a boy, he saw his grandpa, the leader of a vicious satanic cult, murder his father in a brutal ritual on Halloween night. Now he is 18, and grandpa is ready to indoctrinate him into the ways of the black arts.

When the door of freedom cracks open for inmate Maggie Blair at her brother's funeral, she doesn't let anything stand in her way. This begins her furious determination to unearth the gang that murdered her brother.